clang/test/CodeGen/sanitize-metadata-ignorelist.c

   1 // RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -triple x86_64-gnu-linux -x c -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=ALLOW
   2 // RUN: echo "fun:foo" > %t.fun
   3 // RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -fexperimental-sanitize-metadata-ignorelist=%t.fun -triple x86_64-gnu-linux -x c -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=FUN
   4 // RUN: echo "src:*sanitize-metadata-ignorelist.c" > %t.src
   5 // RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -fexperimental-sanitize-metadata-ignorelist=%t.src -triple x86_64-gnu-linux -x c -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=SRC
   6
   7 int y;
   8
   9 // ALLOW-LABEL: define {{[^@]+}}@foo
  10 // ALLOW-SAME: () local_unnamed_addr #[[ATTR0:[0-9]+]] !pcsections !2 {
  11 // ALLOW-NEXT:  entry:
  12 // ALLOW-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @y, i32 1 monotonic, align 4, !pcsections !4
  13 // ALLOW-NEXT:    ret void
  14 //
  15 // FUN-LABEL: define {{[^@]+}}@foo
  16 // FUN-SAME: () local_unnamed_addr #[[ATTR0:[0-9]+]] {
  17 // FUN-NEXT:  entry:
  18 // FUN-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @y, i32 1 monotonic, align 4
  19 // FUN-NEXT:    ret void
  20 //
  21 // SRC-LABEL: define {{[^@]+}}@foo
  22 // SRC-SAME: () local_unnamed_addr #[[ATTR0:[0-9]+]] {
  23 // SRC-NEXT:  entry:
  24 // SRC-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @y, i32 1 monotonic, align 4
  25 // SRC-NEXT:    ret void
  26 //
  27 void foo() {
  28   __atomic_fetch_add(&y, 1, __ATOMIC_RELAXED);
  29 }
  30
  31 // ALLOW-LABEL: define {{[^@]+}}@bar
  32 // ALLOW-SAME: () local_unnamed_addr #[[ATTR0]] !pcsections !2 {
  33 // ALLOW-NEXT:  entry:
  34 // ALLOW-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @y, i32 2 monotonic, align 4, !pcsections !4
  35 // ALLOW-NEXT:    ret void
  36 //
  37 // FUN-LABEL: define {{[^@]+}}@bar
  38 // FUN-SAME: () local_unnamed_addr #[[ATTR0]] !pcsections !2 {
  39 // FUN-NEXT:  entry:
  40 // FUN-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @y, i32 2 monotonic, align 4, !pcsections !4
  41 // FUN-NEXT:    ret void
  42 //
  43 // SRC-LABEL: define {{[^@]+}}@bar
  44 // SRC-SAME: () local_unnamed_addr #[[ATTR0]] {
  45 // SRC-NEXT:  entry:
  46 // SRC-NEXT:    [[TMP0:%.*]] = atomicrmw add ptr @y, i32 2 monotonic, align 4
  47 // SRC-NEXT:    ret void
  48 //
  49 void bar() {
  50   __atomic_fetch_add(&y, 2, __ATOMIC_RELAXED);
  51 }
  52
  53 // ALLOW: __sanitizer_metadata_covered.module_ctor
  54 // FUN: __sanitizer_metadata_covered.module_ctor
  55 // SRC-NOT: __sanitizer_metadata_covered.module_ctor